 | | Re: Firmware download troubles
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Also: When it seems to get to the very end before the error appears, I sometimes get a long (3-4 seconds) low tone from the RCX. Matt (22 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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Matt, I discovered that the IR LED's and detector on my serial tower was located higher than I expected and pointed upward somewhat. I was able to get better transfers when the tower was leaning forward (pointing downward so to speak). Otherwise, I (...) (22 years ago, 9-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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The low buzz tone is an error generated by the ROM firmware for failure condition detected as part of the "unlock firmware" opcode. There are two causes of this. [1] ROM software calculates a checksum value of the downloaded firmware and this (...) (22 years ago, 10-Dec-02, to lugnet.robotics.rcx)
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| | Re: Firmware download troubles
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(...) The problem he's describing, if it's the same one I have, is independant of the position, direction, and power level of the tower. It seems to have something to do with BrixCC itself. The only thing I find puzzling is that Matt (the other Matt (...) (22 years ago, 13-Dec-02, to lugnet.robotics.rcx)
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| | RE: Firmware download troubles
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The size of the firmware isn't going past the 0xcc00 boundary, is it? The firmware in the RCX only does a sum on the bytes up to 0xCBFF in the downloaded firmware, as far as I recall... Cheers, Ralph (22 years ago, 13-Dec-02, to lugnet.robotics.rcx)
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